… is from page 157 of Bas Van Der Vossen’s and Jason Brennan’s superb 2018 book, In Defense of Openness (original emphases):
But sometimes there’s a difference between doing things that show a desire to help, and doing things that actually help. Sometimes we do things because we want to help, and end up making things worse. At other times, we do things for other reasons and actually end up helping others along the way.